Home / 8,972,458,063.36-12,381,933,676.80-5,012,125,089.28

Finding the Fourth Proportional to 8,972,458,063.36, 12,381,933,676.80 and 5,012,125,089.28

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Solution

The fourth proportional to 8,972,458,063.36, 12,381,933,676.80 and 5,012,125,089.28 is: 6,916,699,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,458,063.36 : 12,381,933,676.80 = 5,012,125,089.28 : x
  2. Step 2: Convert to fraction form
    8,972,458,063.36/12,381,933,676.80 = 5,012,125,089.28/x
  3. Step 3: Cross multiply
    8,972,458,063.36x = 12,381,933,676.80 × 5,012,125,089.28
  4. Step 4: Simplify right side
    8,972,458,063.36x = 62,059,800,435,290,234,880
  5. Step 5: Solve for x
    x = 62,059,800,435,290,234,880/8,972,458,063.36
  6. Step 6: Final answer
    x = 6,916,699,971.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.